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Finding the Fourth Proportional to 624,407,653.89, 936,248,440.19 and 236,260,419.39

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Solution

The fourth proportional to 624,407,653.89, 936,248,440.19 and 236,260,419.39 is: 354,253,263.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,407,653.89 : 936,248,440.19 = 236,260,419.39 : x
  2. Step 2: Convert to fraction form
    624,407,653.89/936,248,440.19 = 236,260,419.39/x
  3. Step 3: Cross multiply
    624,407,653.89x = 936,248,440.19 × 236,260,419.39
  4. Step 4: Simplify right side
    624,407,653.89x = 221,198,449,131,341,408
  5. Step 5: Solve for x
    x = 221,198,449,131,341,408/624,407,653.89
  6. Step 6: Final answer
    x = 354,253,263.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.